三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦

三年級(jí)數(shù)學(xué)(上)計(jì)算題專項(xiàng)練習(xí)附答案集錦446-72-156=719×8-754=699+633-501=38×5=606+975=430-151-238=392×5-255=418-197-162=333+671-756=844×(543-538)=686×(717-709)=21×6+416=2/7+4/7=280+147-184=432-(252+22)=559-313+928=926+210-541=296+116×6=73×4=407-(191+193)=944-763+661=832+949-717=194+(491-97)=200+87+626=450+38-157=922+658-799=843-327-141=246×4=354-158-106=114×(206-202)=167+79×8=864+72×7=802-658+184=366+35+58=450-49-167=406×5=645×3=527-25-19=769-193×3=407-154-163=974-(79+791)=70×8-516=144×6-94=852+(444-372)=13×9=415+(867-246)=394+17-378=761-308×2=945-106-752=431+(465-13)=886-82×4=473-172-71=433-153-37=718-549+500=422-118×2=262-41×5=797-(100+131)=382+104-131=343-46=14×(38-33)=216-76-124=354-(456-209)=122-14+201=386-14×7=812+267+289=96×(136-133)=496-28×6=453-217×2=410-(13+254)=329+(655-368)=131+272=500-87-73=324-(219+70)=47×5+44=499-29×4=476-132+176=69+301-319=326-293+266=919-726=417-126-126=250×(340-336)=779-(950-539)=453-164=200-(225-65)=452+(343-218)=975+487=297+(921-463)=643-(811-221)=319-265=632×5=18×(495-487)=348+289×3=49+(406-263)=238-127-29=157+289+102=235×3+290=770+400-135=170+288-346=350-112-179=797×(33-29)=801-399-142=851+148×6=299-39×6=496-216=967+172+46=123-41×3=297-67-174=452+290+76=789-305-342=106+227=48×7+307=902+285=670-(712-243)=66×(214-207)=931-516=370-19×6=122×7=575+(775-167)=409×6=6/8-2/8=323×2=175+773=214×(187-183)=851-548+51=932×(96-90)=385+(235-93)=485-27×9=345+69+13=369+86×7=381-259=750-194-114=285×8-976=755-(259+264)=385-(342-219)=220+164+60=932-(456+123)=659-18-530=319×2-564=833-147-170=21×8=114+111-79=459+23×5=642-194-268=899-(215+348)=346-(168-114)=157+73×8=541+(802-326)=435-(421-25)=124+(801-134)=229-(46+13)=781-602-159=252-242=528+235=50+245-247=633-256=393-65×3=261-231+386=812-622+549=241-(94+13)=362-(43+33)=67×5=47+191-131=470-153×2=987-440-250=635×2-792=386+67=107×9-537=638×(513-505)=450-(453-409)=977-81×3=265-229+324=404-(162-143)=421-406+66=143+451=231×(41-38)=571-445=268-153+53=393-(51+272)=128+851-317=951-294+367=461×6=439+265+211=221×3-198=92×9-204=315×2=274+183+471=687-622+224=767+241-90=120+149×2=654-(584+22)=175+69×2=794-(73+163)=447-206=795-762+812=222×(362-359)=756-(166+291)=343-223-90=41×3+317=260+(181-19)=159+(493-240)=405-42=848×2-824=280×3-696=74+104-123=675-85×4=64×9+366=127×7+626=470-457+415=197+239=882-19×5=420-63×5=52×7=407-30-74=445+35+761=162-31=897-(536+45)=206-98+337=154+(352-315)=524-427=702+373+315=360×2+237=111-68+80=5/8-2/8=339-62-176=856+(628-305)=857+64+373=420-279-56=915-385-232=410-(80-46)=762-(895-762)=746×6=821-185×2=252-(421-218)=767-46×5=144×4-231=85+328=194-105=176×(86-78)=111×(509-500)=712-47×5=491×9-181=335+(739-43)=181×9-330=89×8-362=89×9-720=558+320+755=728-(280-219)=383-170=248-(20+203)=4/8-3/8=564-364+293=155+150-38=128+331+485=798-114-200=411-374=68-(988-943)=426-(159+182)=198×(541-534)=41×9=181×(265-257)=96+23+401=536×3=429-51×8=110+383-23=401-(122+138)=35×7=518+(596-265)=10×3=150×5-330=386×2+295=192+(110-108)=156×2-16=4/8-1/8=302×6-975=378+24×6=406+32-139=207×3-505=108+166+356=984-633-99=687×(811-804)=233+(418-314)=989×(726-723)=701×(40-31)=695×7-728=283+194=643+990+677=28+28=66+212=70×(15-11)=310+297=184+79×9=211×2-278=248×(108-103)=164-11×9=419+325+32=879+368+244=391-227=203×(236-232)=353+(737-607)=145+143=278-(52+48)=368-252=351×3=474-(388-183)=884+(891-72)=115+637+32=168+337+392=364+212+43=874-555=35+191=232×4-783=747-(518-325)=257-211+441=568-62+654=347+994+466=232+123+539=130×(341-334)=117-(687-652)=300-42-80=66×(261-252)=522-(873-864)=62×8-473=541×8-344=680×(26-18)=284-70×3=804-329-58=76-(323-276)=766-(359+400)=902-61-508=225+350+827=311+33-343=285+827-217=576+(534-242)=633-341=4/10+2/10=35+(158-39)=771-31×8=275-107=134+(311-278)=521+(707-573)=5/8+2/8=362+(353-319)=798+724-228=105+160=833×5-476=816×7=860×2-53=270+124-100=395-(359-275)=695-219+103=434-23×8=133+535+450=808+342-686=775-148×4=72+61-43=766+837+569=390-99=46×6+393=424-(91+106)=225-97+415=408-(400-384)=718-(679-354)=990-(302-286)=48-12+255=274+183×5=950-(842-367)=493+754+137=183+155=345-161-73=93-43+262=438×2=338-299+135=267+74=181×(470-466)=427-415+228=87+205=211+157=222+(982-219)=17+107+383=209×2=818-(688-71)=190×4-20=799-322×2=22+(170-81)=629+888-607=757+553-550=297×6=214-(80+57)=661-(418-251)=105+355=357+34+602=262+150-189=539-156-63=378-60-78=56×(314-310)=345+387=500+(413-23)=24×2=665-429=812-687=280-(278-119)=172+(135-45)=187+914+724=543-135=432-150-177=562+536=815-(406+76)=838-(433+327)=218-173=155+377+426=247+148=663+(630-594)=452+(115-48)=534+221=785×4=241+202=291-54+144=288×4=417-32×8=103×(468-465)=141×2+90=801-662-125=162-(686-681)=527+709+308=258+206=511-420+580=386×3=373×2+351=140×6-67=331-56×2=229+80+365=114×5+110=92-(21+42)=291-280=364-292=954-(655+13)=516+773=366-(928-872)=458-(297+159)=345-120=53×2=637-(370+142)=260×2+236=281+155=324-300+561=256+75=2/8+5/8=813+(530-131)=364+(499-268)=23×2=195×3-81=149×(224-219)=547-193=194-(271-195)=166-60+306=158-21+186=93×9=230×(248-244)=741-28×7=331×3=60×(247-240)=649×(667-661)=870×(482-473)=336-(196-14)=469-30×3=716-130+227=795-379+705=399-188-126=136×3-252=375-45×2=315+(342-174)=446-(467-245)=141+259=156×5=938-492=8/10+2/10=134×3+639=127+24+339=169+134-77=421+148×3=219×2=203-138+99=376-30×8=689-(971-381)=846+(726-526)=232-83=344-254=411×6=127×6-467=215+10-118=130+312=273+853-903=125-29+350=921+79×2=459-433+59=880-84×6=463+958+501=490×3-459=858-362+407=877-(86-47)=172+76=729-557=396-(97+112)=571-433=399-177×2=617-542+317=236+81=522-12×8=645-(68+439)=358-154+164=994×(178-169)=633-(86+61)=243×4-826=442-(233+42)=300-127=956-147×4=482+(390-35)=256×3+839=74+561-128=118×(328-323)=436-123+19=2/6+3/6=83+271=487-(487-368)=189×2+147=479+19×6=478-(433-32)=712-338+382=700×3-294=3/7-1/7=422-(63+70)=42+73-109=136×6-655=407+37×7=494-365+523=800+202+339=719×8=828+301×3=629+426+277=264×3=288+(250-147)=157-51=321-83=466-(151+42)=36×(148-139)=941+572-681=934+(717-422)=603×(687-679)=116×4+413=452-113=775+(860-290)=819-61=623+104×5=904-553-351=376-161+119=225-18-152=33×(449-446)=884-(27+432)=873-39×9=71×(82-79)=309+(493-132)=354×2-486=100+28×9=594+754-865=989-824=101×8-287=53+662+196=798-(693+94)=407-(132+94)=952×2=722-56×8=56+303-30=498×(117-114)=389-223=355+122=204+60=87+(360-141)=378-207-144=775-(374-354)=399-(294+13)=71+352-389=327-183-128=214+178=952×7=146+310-224=396+214=582-357+263=771+396-41=367-30-49=440-415=71-44+18=914×5=837+180-373=688-(517+75)=112×8-759=123×3-323=29×7+46=80-56+379=434+27-46=428×6-460=52×4=318-112+65=188×2+992=465-94×3=189×5-776=479+(239-135)=591×9=37+82×5=92×(85-76)=930-510+18=444-(212-22)=903-218×2=100×(414-406)=213×4-755=344+(387-217)=975-714+130=424-(448-166)=271-(45-30)=27×8=324+467×2=403+89-379=275×2+213=183+50=676×8=217-(385-186)=367-123-220=184×2=373-29×8=348-(62+93)=1/4+2/4=123×(191-187)=213-79×2=66×8-164=4/6+2/6=359+62×7=803-53×5=928-179×4=791×2-314=494-(173+145)=54×9=698-219-307=441-(341-333)=642-(27+13)=441+197=314×6-985=287+370+183=28×3+482=439-(16+44)=838+(477-427)=277+(184-72)=370+(236-141)=170×(433-428)=33×(489-486)=436-(275-103)=903+875=193×(50-45)=452-82×5=107×(166-158)=136+57=330-(274+42)=431-(122+164)=740+181+635=369-346=963-335=161-95=992-22+733=504-57×6=774-(208+85)=46+440+35=32-(234-219)=341×4=930-(422+312)=143×3+440=220-(196-102)=665+565+615=216+633+141=809×8=310+(389-157)=123×5=366×2-102=132+124×2=156-75=686-(918-778)=211+907+724=718+698-170=477+93×5=384-121×3=52+(491-373)=437-154=127×3+114=473-209+138=792×5-497=934-186-545=992-376=715-658+660=370×(648-642)=52+361+274=236-(452-284)=307+139=246+332=59+237=368-49×7=399-13×8=93+44-112=863-(864-826)=358-264=981-445=51-(435-421)=18+277×3=936-(748+139)=223×5-878=612+89+398=187-(48+82)=12×(333-329)=3/6-1/6=139×3+941=596-430-42=98×4+447=459-(459-411)=440×2+198=2/4-1/4=307+25+127=293-(39+109)=242-41+160=950-(148+37)=418-(438-144)=825+426-359=530×4-611=166×4=219+278-485=984+728+469=258+950+225=25+(345-241)=193+854-905=714-159×4=372-83×4=202+191=105+(467-250)=3/8-2/8=490-429=292-(347-300)=656-232=389-(473-98)=223+201=18+116×3=892+473-537=1/6+3/6=385-(96+281)=258+(93-54)=956-704=226+50=97×4=46×9+453=98+330=968+(926-729)=397+92-18=457+976+318=19+477-70=177+869-215=221+(476-279)=336-13×6=397×4-652=16×7=242×4-692=882-283-316=866-452=995-(243+608)=577+75+234=535+649-641=40+169-61=780+(623-147)=177-73-20=391-(18+212)=190+419×2=472+23-104=325-28-262=271-(34+120)=102×9-237=744-(559-78)=546-173×3=666×8=873-(679-203)=627+176×5=272+185=151+264=152×(108-104)=269-21×2=309-37-216=335+741-920=336-(483-166)=882-633=206×6-616=475×2-844=439-(158-70)=281+797-531=76-75+259=238+490=331+52+580=2/6-1/6=711+800=262×(286-279)=962+40+141=766-(320+410)=725-215×2=518×(692-683)=1/7+2/7=538-51-161=2/5-1/5=148×6+69=279+(948-804)=981+(644-460)=266×3=981+537+611=421-29×6=281-133-72=685-277=16+331-168=351+87×2=778×(215-207)=128×3+621=318-13×5=570×(814-807)=308×(362-353)=121×(232-228)=239×(499-496)=499+(435-192)=415-220-109=197-145+395=162+29=888×(328-323)=806-142-509=402+386+164=476+272=134×7=422×4=49×3=3/6+2/6=219+221-407=168-(481-332)=312-(17+184)=488-(208+273)=313×7=561+336+700=1/5+4/5=370-125-13=860×3-111=260+213=368-230=651×3-660=985×9=3/5-1/5=52+168=462-38-359=3/6-2/6=144×2-125=329×3-382=949-942+302=643+(612-120)=578+634+861=221+54+388=481-142+92=489-472+220=590-362=52-(182-160)=參考答案446-72-156=218719×8-754=4998699+633-501=83138×5=190606+975=1581430-151-238=41392×5-255=1705418-197-162=59333+671-756=248844×(543-538)=4220686×(717-709)=548821×6+416=5422/7+4/7=6/7280+147-184=243432-(252+22)=158559-313+928=1174926+210-541=595296+116×6=99273×4=292407-(191+193)=23944-763+661=842832+949-717=1064194+(491-97)=588200+87+626=913450+38-157=331922+658-799=781843-327-141=375246×4=984354-158-106=90114×(206-202)=456167+79×8=799864+72×7=1368802-658+184=328366+35+58=459450-49-167=234406×5=2030645×3=1935527-25-19=483769-193×3=190407-154-163=90974-(79+791)=10470×8-516=44144×6-94=770852+(444-372)=92413×9=117415+(867-246)=1036394+17-378=33761-308×2=145945-106-752=87431+(465-13)=883886-82×4=558473-172-71=230433-153-37=243718-549+500=669422-118×2=186262-41×5=57797-(100+131)=566382+104-131=355343-46=29714×(38-33)=70216-76-124=16354-(456-209)=107122-14+201=309386-14×7=288812+267+289=136896×(136-133)=288496-28×6=328453-217×2=19410-(13+254)=143329+(655-368)=616131+272=403500-87-73=340324-(219+70)=3547×5+44=279499-29×4=383476-132+176=52069+301-319=51326-293+266=299919-726=193417-126-126=165250×(340-336)=1000779-(950-539)=368453-164=289200-(225-65)=40452+(343-218)=577975+487=1462297+(921-463)=755643-(811-221)=53319-265=54632×5=316018×(495-487)=144348+289×3=121549+(406-263)=192238-127-29=82157+289+102=548235×3+290=995770+400-135=1035170+288-346=112350-112-179=59797×(33-29)=3188801-399-142=260851+148×6=1739299-39×6=65496-216=280967+172+46=1185123-41×3=0297-67-174=56452+290+76=818789-305-342=142106+227=33348×7+307=643902+285=1187670-(712-243)=20166×(214-207)=462931-516=415370-19×6=256122×7=854575+(775-167)=1183409×6=24546/8-2/8=4/8323×2=646175+773=948214×(187-183)=856851-548+51=354932×(96-90)=5592385+(235-93)=527485-27×9=242345+69+13=427369+86×7=971381-259=122750-194-114=442285×8-976=1304755-(259+264)=232385-(342-219)=262220+164+60=444932-(456+123)=353659-18-530=111319×2-564=74833-147-170=51621×8=168114+111-79=146459+23×5=574642-194-268=180899-(215+348)=336346-(168-114)=292157+73×8=741541+(802-326)=1017435-(421-25)=39124+(801-134)=791229-(46+13)=170781-602-159=20252-242=10528+235=76350+245-247=48633-256=377393-65×3=198261-231+386=416812-622+549=739241-(94+13)=134362-(43+33)=28667×5=33547+191-131=107470-153×2=164987-440-250=297635×2-792=478386+67=453107×9-537=426638×(513-505)=5104450-(453-409)=406977-81×3=734265-229+324=360404-(162-143)=385421-406+66=81143+451=594231×(41-38)=693571-445=126268-153+53=168393-(51+272)=70128+851-317=662951-294+367=1024461×6=2766439+265+211=915221×3-198=46592×9-204=624315×2=630274+183+471=928687-622+224=289767+241-90=918120+149×2=418654-(584+22)=48175+69×2=313794-(73+163)=558447-206=241795-762+812=845222×(362-359)=666756-(166+291)=299343-223-90=3041×3+317=440260+(181-19)=422159+(493-240)=412405-42=363848×2-824=872280×3-696=14474+104-123=55675-85×4=33564×9+366=942127×7+626=1515470-457+415=428197+239=436882-19×5=787420-63×5=10552×7=364407-30-74=303445+35+761=1241162-31=131897-(536+45)=316206-98+337=445154+(352-315)=191524-427=97702+373+315=1390360×2+237=957111-68+80=1235/8-2/8=3/8339-62-176=101856+(628-305)=1179857+64+373=1294420-279-56=85915-385-232=298410-(80-46)=376762-(895-762)=629746×6=4476821-185×2=451252-(421-218)=49767-46×5=537144×4-231=34585+328=413194-105=89176×(86-78)=1408111×(509-500)=999712-47×5=477491×9-181=4238335+(739-43)=1031181×9-330=129989×8-362=35089×9-720=81558+320+755=1633728-(280-219)=667383-170=213248-(20+203)=254/8-3/8=1/8564-364+293=493155+150-38=267128+331+485=944798-114-200=484411-374=3768-(988-943)=23426-(159+182)=85198×(541-534)=138641×9=369181×(265-257)=144896+23+401=520536×3=1608429-51×8=21110+383-23=470401-(122+138)=14135×7=245518+(596-265)=84910×3=30150×5-330=420386×2+295=1067192+(110-108)=194156×2-16=2964/8-1/8=3/8302×6-975=837378+24×6=522406+32-139=299207×3-505=116108+166+356=630984-633-99=252687×(811-804)=4809233+(418-314)=337989×(726-723)=2967701×(40-31)=6309695×7-728=4137283+194=477643+990+677=231028+28=5666+212=27870×(15-11)=280310+297=607184+79×9=895211×2-278=144248×(108-103)=1240164-11×9=65419+325+32=776879+368+244=1491391-227=164203×(236-232)=812353+(737-607)=483145+143=288278-(52+48)=178368-252=116351×3=1053474-(388-183)=269884+(891-72)=1703115+637+32=784168+337+392=897364+212+43=619874-555=31935+191=226232×4-783=145747-(518-325)=554257-211+441=487568-62+654=1160347+994+466=1807232+123+539=894130×(341-334)=910117-(687-652)=82300-42-80=17866×(261-252)=594522-(873-864)=51362×8-473=23541×8-344=3984680×(26-18)=5440284-70×3=74804-329-58=41776-(323-276)=29766-(359+400)=7902-61-508=333225+350+827=1402311+33-343=1285+827-217=895576+(534-242)=868633-341=2924/10+2/10=6/1035+(158-39)=154771-31×8=523275-107=168134+(311-278)=167521+(707-573)=6555/8+2/8=7/8362+(353-319)=396798+724-228=1294105+160=265833×5-476=3689816×7=5712860×2-53=1667270+124-100=294395-(359-275)=311695-219+103=579434-23×8=250133+535+450=1118808+342-686=464775-148×4=18372+61-43=90766+837+569=2172390-99=29146×6+393=669424-(91+106)=227225-97+415=543408-(400-384)=392718-(679-354)=393990-(302-286)=97448-12+255=291274+183×5=1189950-(842-367)=475493+754+137=1384183+155=338345-161-73=11193-43+262=312438×2=876338-299+135=174267+74=341181×(470-466)=724427-415+228=24087+205=292211+157=368222+(982-219)=98517+107+383=507209×2=418818-(688-71)=201190×4-20=740799-322×2=15522+(170-81)=111629+888-607=910757+553-550=760297×6=1782214-(80+57)=77661-(418-251)=494105+355=460357+34+602=993262+150-189=223539-156-63=320378-60-78=24056×(314-310)=224345+387=732500+(413-23)=89024×2=48665-429=236812-687=125280-(278-119)=121172+(135-45)=262187+914+724=1825543-135=408432-150-177=105562+536=1098815-(406+76)=333838-(433+327)=78218-173=45155+377+426=958247+148=395663+(630-594)=699452+(115-48)=519534+221=755785×4=3140241+202=443291-54+144=381288×4=1152417-32×8=161103×(468-465)=309141×2+90=372801-662-125=14162-(686-681)=157527+709+308=1544258+206=464511-420+580=671386×3=1158373×2+351=1097140×6-67=773331-56×2=219229+80+365=674114×5+110=68092-(21+42)=29291-280=11364-292=72954-(655+13)=286516+773=1289366-(928-872)=310458-(297+159)=2345-120=22553×2=106637-(370+142)=125260×2+236=756281+155=436324-300+561=585256+75=3312/8+5/8=7/8813+(530-131)=1212364+(499-268)=59523×2=46195×3-81=504149×(224-219)=745547-193=354194-(271-195)=118166-60+306=412158-21+186=32393×9=837230×(248-244)=920741-28×7=545331×3=99360×(247-240)=420649×(667-661)=3894870×(482-473)=7830336-(196-14)=154469-30×3=379716-130+227=813795-379+705=1121399-188-126=85136×3-252=156375-45×2=285315+(342-174)=483446-(467-245)=224141+259=400156×5=780938-492=4468/10+2/10=1134×3+639=1041127+24+339=490169+134-77=226421+148×3=865219×2=438203-138+99=164376-30×8=136689-(971-381)=99846+(726-526)=1046232-83=149344-254=90411×6=2466127×6-467=295215+10-118=107130+312=442273+853-903=223125-29+350=446921+79×2=1079459-433+59=85880-84×6=376463+958+501=1922490×3-459=1011858-362+407=903877-(86-47)=838172+76=248729-557=172396-(97+112)=187571-433=138399-177×2=45617-542+317=392236+81=317522-12×8=426645-(68+439)=138358-154+164=368994×(178-169)=8946633-(86+61)=486243×4-826=146442-(233+42)=167300-127=173956-147×4=368482+(390-35)=837256×3+839=160774+561-128=507118×(328-323)=590436-123+19=3322/6+3/6=5/683+271=354487-(487-368)=368189×2+147=525479+19×6=593478-(433-32)=77712-338+382=756700×3-294=18063/7-1/7=2/7422-(63+70)=28942+73-109=6136×6-655=161407+37×7=666494-365+523=652800+202+339=1341719×8=5752828+301×3=1731629+426+277=1332264×3=792288+(250-147)=391157-51=106321-83=238466-(151+42)=27336×(148-139)=324941+572-681=832934+(717-422)=1229603×(687-679)=4824116×4+413=877452-113=339775+(860-290)=1345819-61=758623+104×5=1143904-553-351=0376-161+119=334225-18-152=5533×(449-446)=99884-(27+432)=425873-39×9=52271×(82-79)=213309+(493-132)=670354×2-486=222100+28×9=352594+754-865=483989-824=165101×8-287=52153+662+196=911798-(693+94)=11407-(132+94)=181952×2=1904722-56×8=27456+303-30=329498×(117-114)=1494389-223=166355+122=477204+60=26487+(360-141)=306378-207-144=27775-(374-354)=755399-(294+13)=9271+352-389=34327-183-128=16214+178=392952×7=6664146+310-224=232396+214=610582-357+263=488771+396-41=1126367-30-49=288440-415=2571-44+18=45914×5=4570837+180-373=644688-(517+75)=96112×8-759=137123×3-323=4629×7+46=24980-56+379=403434+27-46=415428×6-460=210852×4=208318-112+65=271188×2+992=1368465-94×3=183189×5-776=169479+(239-135)=583591×9=531937+82×5=44792×(85-76)=828930-510+18=438444-(212-22)=254903-218×2=467100×(414-406)=800213×4-755=97344+(387-217)=514975-714+130=391424-(448-166)=142271-(45-30)=25627×8=216324+467×2=1258403+89-379=113275×2+213=763183+50=233676×8=5408217-(385-186)=18367-123-220=24184×2=368373-29×8=141348-(62+93)=1931/4+2/4=3/4123×(191-187)=492213-79×2=5566×8-164=3644/6+2/6=1359+62×7=793803-53×5=538928-179×4=212791×2-314=1268494-(173+145)=17654×9=486698-219-307=172441-(341-333)=433642-(27+13)=602441+197=638314×6-985=899287+370+183=84028×3+482=566439-(16+44)=379838+(477-427)=888277+(184-72)=389370+(236-141)=465170×(433-428)=85033×(489-486)=99436-(275-103)=264903+875=1778193×(50-45)=965452-82×5=42107×(166-158)=856136+57=193330-(274+42)=14431-(122+164)=145740+181+635=1556369-346=23963-335=628161-95=66992-22+733=1703504-57×6=162774-(208+85)=48146+440+35=52132-(234-219)=17341×4=1364930-(422+312)=196143×3+440=869220-(196-102)=126665+565+615=1845216+633+141=990809×8=6472310+(389-157)=542123×5=615366×2-102=630132+124×2=380156-75=81686-(918-778)=546211+907+724=1842718+698-170=1246477+93×5=942384-121×3=2152+(491-373)=170437-154=283127×3+114=495473-209+138=402792×5-497=3463934-186-545=203992-376=616715-658+660=717370×(648-642)=222052+361+274=687236-(452-284)=68307+139=446246+332=57859+237=296368-49×7=25399-13×8=29593+44-112=25863-(864-826)=825358-264=94981-445=53651-(435-421)=3718+277×3=849936-(748+139)=492